Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the tread pattern continues uniformly throughout the circumference of the tire tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto; and

FIG. 4 is an enlarged fragmentary front view thereof.

The broken line showing of the tire sidewall in the drawings is for illustrative purposes only and forms no part of the claimed design.

The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 2. 

The ornamental design for a tire tread, as shown and described. 